forked from boostorg/compute
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtest_scatter_if.cpp
140 lines (106 loc) · 4.34 KB
/
test_scatter_if.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
//---------------------------------------------------------------------------//
// Copyright (c) 2015 Jakub Pola <[email protected]>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestScatterIf
#include <boost/test/unit_test.hpp>
#include <boost/compute/system.hpp>
#include <boost/compute/algorithm/scatter_if.hpp>
#include <boost/compute/container/vector.hpp>
#include <boost/compute/iterator/constant_buffer_iterator.hpp>
#include <boost/compute/iterator/counting_iterator.hpp>
#include <boost/compute/functional.hpp>
#include "check_macros.hpp"
#include "context_setup.hpp"
namespace bc = boost::compute;
BOOST_AUTO_TEST_CASE(scatter_if_int)
{
int input_data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
bc::vector<int> input(input_data, input_data + 10, queue);
int map_data[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
bc::vector<int> map(map_data, map_data + 10, queue);
int stencil_data[] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 1};
bc::vector<bc::uint_> stencil(stencil_data, stencil_data + 10, queue);
bc::vector<int> output(input.size(), -1, queue);
bc::scatter_if(input.begin(), input.end(),
map.begin(), stencil.begin(),
output.begin());
CHECK_RANGE_EQUAL(int, 10, output, (9, -1, 7, -1, 5, -1, 3, -1, 1, -1) );
}
BOOST_AUTO_TEST_CASE(scatter_if_constant_indices)
{
int input_data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
bc::vector<int> input(input_data, input_data + 10, queue);
int map_data[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
bc::buffer map_buffer(context,
10 * sizeof(int),
bc::buffer::read_only | bc::buffer::use_host_ptr,
map_data);
int stencil_data[] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 1};
bc::buffer stencil_buffer(context,
10 * sizeof(bc::uint_),
bc::buffer::read_only | bc::buffer::use_host_ptr,
stencil_data);
bc::vector<int> output(input.size(), -1, queue);
bc::scatter_if(input.begin(),
input.end(),
bc::make_constant_buffer_iterator<int>(map_buffer, 0),
bc::make_constant_buffer_iterator<int>(stencil_buffer, 0),
output.begin(),
queue);
CHECK_RANGE_EQUAL(int, 10, output, (9, -1, 7, -1, 5, -1, 3, -1, 1, -1) );
}
BOOST_AUTO_TEST_CASE(scatter_if_function)
{
int input_data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
bc::vector<int> input(input_data, input_data + 10, queue);
int map_data[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
bc::vector<int> map(map_data, map_data + 10, queue);
int stencil_data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
bc::vector<bc::uint_> stencil(stencil_data, stencil_data + 10, queue);
bc::vector<int> output(input.size(), -1, queue);
BOOST_COMPUTE_FUNCTION(int, gt_than_5, (int x),
{
if (x > 5)
return true;
else
return false;
});
bc::scatter_if(input.begin(),
input.end(),
map.begin(),
stencil.begin(),
output.begin(),
gt_than_5,
queue);
CHECK_RANGE_EQUAL(int, 10, output, (9, 8, 7, 6, -1, -1, -1, -1, -1, -1) );
}
BOOST_AUTO_TEST_CASE(scatter_if_counting_iterator)
{
int input_data[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
bc::vector<int> input(input_data, input_data + 10, queue);
int map_data[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
bc::vector<int> map(map_data, map_data + 10, queue);
bc::vector<int> output(input.size(), -1, queue);
BOOST_COMPUTE_FUNCTION(int, gt_than_5, (int x),
{
if (x > 5)
return true;
else
return false;
});
bc::scatter_if(input.begin(),
input.end(),
map.begin(),
bc::make_counting_iterator<int>(0),
output.begin(),
gt_than_5,
queue);
CHECK_RANGE_EQUAL(int, 10, output, (9, 8, 7, 6, -1, -1, -1, -1, -1, -1) );
}
BOOST_AUTO_TEST_SUITE_END()